package stcu.forms;

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import stcu.*;
import java.net.*;

public class LoginForm extends javax.swing.JFrame {
    private JFrame self = this;
    private ClientAuth auth;

    public LoginForm(final ClientAuth auth) {
        this.auth = auth;
        initComponents();

        auth.setTimeOutHook(new TimeOutHook());
        loginButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                String id = idNumber.getText();
                // TODO: Check if text field is empty
                loginButton.setEnabled(false);

                try {
                    auth.login(id);
                } catch (NoServerException e2) {
                    JOptionPane.showMessageDialog(self, "No server found");
                    loginButton.setEnabled(true);
                }
            }
        });
    }

    @Override
    public void setVisible(boolean visible) {
        loginButton.setEnabled(visible);
        super.setVisible(visible);
    }

    public LoginForm() {
        initComponents();
    }

    class TimeOutHook implements Runnable {
        public void run() {
            if (auth.isLoginFailed()) {
                JOptionPane.showMessageDialog(self, "login failed");
            } else {
                JOptionPane.showMessageDialog(self, "No server reponse");
            }
            loginButton.setEnabled(true);
        }
    }


    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        idNumber = new javax.swing.JTextField();
        loginButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("ID number:");

        loginButton.setText("Login");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel1)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(loginButton, javax.swing.GroupLayout.DEFAULT_SIZE, 198, Short.MAX_VALUE)
                    .addComponent(idNumber))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(idNumber, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(loginButton)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new LoginForm().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextField idNumber;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JButton loginButton;
    // End of variables declaration//GEN-END:variables
}
